Chemicals and Drugs

Tamoxifen

One of the SELECTIVE ESTROGEN RECEPTOR MODULATORS with tissue-specific activities. Tamoxifen acts as an anti-estrogen (inhibiting agent) in the mammary tissue, but as an estrogen (stimulating agent) in cholesterol metabolism, bone density, and cell proliferation in the ENDOMETRIUM.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

One of the SELECTIVE ESTROGEN RECEPTOR MODULATORS with tissue-specific activities. Tamoxifen acts as an anti-estrogen (inhibiting agent) in the mammary tissue, but as an estrogen (stimulating agent) in cholesterol metabolism, bone density, and cell proliferation in the ENDOMETRIUM.

Chemical Identity

Chemical Information

Molecular Formula
C26H29NO
Molecular Weight
371.5 g/mol
CAS Registry No.
10540-29-1
IUPAC Name
2-[4-[(Z)-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine
InChIKey
NKANXQFJJICGDU-QPLCGJKRSA-N
SMILES
CC/C(=C(\C1=CC=CC=C1)/C2=CC=C(C=C2)OCCN(C)C)/C3=CC=CC=C3
MeSH Unique ID
D013629
Source
PubChem CID 2733526

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

16 entry terms
  • ICI-46,474
  • ICI-46474
  • ICI-47699
  • Nolvadex
  • Novaldex
  • Soltamox
  • Tamoxifen Citrate
  • Tomaxithen
  • Zitazonium
  • Citrate, Tamoxifen
  • ICI 46,474
  • ICI 46474
  • ICI 47699
  • ICI46,474
  • ICI46474
  • ICI47699

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

78(75); was see under STILBENES 1975-77

MeSH Record

Previous Indexing

  • Dimethylamines (1973-1974)
  • Phenyl Ethers (1974)
  • Stilbenes (1966-1974)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Tamoxifen. Medical Subject Headings (MeSH). 2026. Unique ID D013629. http://id.nlm.nih.gov/mesh/2026/D013629
  2. Tamoxifen. In: Wikipedia. https://en.wikipedia.org/wiki/Tamoxifen
  3. Tamoxifen. In: Wikidata. https://www.wikidata.org/wiki/Q412178
  4. Tamoxifen. In: PubChem Compound. CID 2733526. https://pubchem.ncbi.nlm.nih.gov/compound/2733526